When Rupa was born, her father was 25 years old. Form an equation and draw a graph for this data. From the graph find
(i) The age of the father when Rupa is 25 years old.
(ii) Rupa’s age when her father is 40 years old.

In a election 60% of voters cast their votes. Form an equation and draw the graph for this data. Find the following from the graph. (i) The total number of voters, if 1200 voters cast their votes (ii) The number votes cast, if the total number of voters are 800

25% of the students in a school are girls and others are boys. Form an equation and draw a graph for this. By observing the graph, answer the following : (i) Find the number of boys, if the number of girls is 25. (ii) Find the number of girls, if the number of boys is 45. (iii) Take three different values for number of boys and find the number of girls. Similarly take three different values for number of girls and find the number of boys?

Draw the graph of the equation y - x = 2. Find from the graph (i) the value of y when x = 4 (ii) the value of x when y =-3

The parking charges of a car in Hyderabad Railway station for first two hours is 50 and 10 for each subsequent hour. Write down an equation and draw the graph. Find the following charges from the graph (i) For three hours (ii) For six hours (iii) How many hours did Rekha park her car if she paid 80 as parking charges?

Vani, her father and her grand father have an average age of 53. One-half of her grand father's age plus one-third of her father's age plus one fourth of Vani's age is 65. Four years ago if Vani's grandfather was four times as old as Vani then how old are they all now?

When the son will be as old as his father today, the sum of their ages then will be 126, when the father was as old as his son is today, the sum of their ages then was 38. Find their present ages.

Mary told her daugher, "seven years ago, I was seven times as old as you were then. Also, three years from now, I shall be three times as old as you will be."Find the present age of Mary and her daughter.